Renesas ZSC31014EAG1-T

Overview

ZSC31014EAG1-T from Integrated Device Technology (IDT) is a highly accurate digital-output sensor signal conditioner IC designed for piezoresistive bridge sensors. It performs 14-bit analog-to-digital conversion with ±0.1% FSO accuracy at -25°C to +85°C, supports I²C™ and SPI digital interfaces, and delivers calibrated digital output with on-chip temperature compensation and diagnostics. It is used in industrial pressure meters and medical infusion pumps where precision bridge signal conditioning is required.

For engineers reviewing the ZSC31014EAG1-T datasheet, ZSC31014EAG1-T pinout, ZSC31014EAG1-T application, or ZSC31014EAG1-T equivalent, this page provides verified technical context, real-world design meaning of key specs, SOP8 package details, functional alternatives, and supply support for high-reliability sensor systems.

Technical Context

The ZSC31014EAG1-T integrates a chopper-stabilized differential preamplifier with eight programmable analog gain settings (1.5 to 192), a 14-bit charge-balancing ADC, and a digital signal processor executing sensor-specific correction algorithms. Its internal EEPROM stores calibration coefficients for offset, 1st/2nd-order span, and 1st/2nd-order temperature drift (Tco/Tcg).

It supports dual digital interfaces: I²C™ up to 400 kHz with configurable pull-up requirements and SPI with falling-edge polarity; both enable measurement readout and calibration programming. Diagnostics include EEPROM integrity checks, bridge open/short detection, and sensor connection verification - all implemented in hardware without external firmware overhead.

Key Specifications

Pinout & Package

The ZSC31014EAG1-T is housed in an SOP8 (150 mil) surface-mount package with standard 1.27 mm pitch, JEDEC MS-012AC compliant, and rated for reflow soldering per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar sensor signal conditioning applications.

Compared with AD7798 and ICM-20948, the ZSC31014EAG1-T uniquely combines calibrated digital output, embedded temperature compensation, and hardware diagnostics in a single SOP8 package - eliminating external NVM, trimming components, and calibration software development for bridge sensor systems.

Availability

ZSC31014EAG1-T is available at Aetrix Electronics and suitable for industrial pressure meters, medical infusion pumps, and white goods refrigerant monitoring requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for ZSC31014EAG1-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and sensor signal conditioning solutions.

The ZSC31014EAG1-T belongs to IDT's RBicilite™ family of digital-output sensor conditioners, engineered specifically for high-accuracy, low-power, and safety-aware bridge sensor applications in industrial and medical markets.

FAQ

What is the operating temperature range of the ZSC31014EAG1-T?

The ZSC31014EAG1-T operates from -40°C to +125°C, fully specified across this range for electrical parameters including accuracy, current consumption, and interface timing. This makes it suitable for under-hood automotive, industrial process control, and medical equipment exposed to wide thermal environments. The ZSC31014EAG1-T maintains ±0.25% FSO overall absolute error across the full -40°C to +125°C range when calibrated with three temperature points.

Does the ZSC31014EAG1-T support both I²C™ and SPI interfaces simultaneously?

No - the ZSC31014EAG1-T supports I²C™ and SPI as mutually exclusive interface modes selected at power-up via configuration pins or EEPROM settings. SDA/MISO and SCL/SCLK pins serve dual roles, but the device functions as either an I²C™ slave or SPI peripheral, not both concurrently. The ZSC31014EAG1-T uses INT/SS as either an interrupt output (I²C™ mode) or slave select input (SPI mode), confirming the single-mode operation.

How does the ZSC31014EAG1-T handle sensor temperature compensation?

The ZSC31014EAG1-T implements 1st- and 2nd-order temperature compensation for both offset (Tco) and sensitivity (Tcg) using coefficients stored in on-chip EEPROM. It measures die temperature via an internal reference and applies correction in real time within the DSP core. The ZSC31014EAG1-T also outputs corrected temperature data digitally, enabling system-level thermal modeling without external sensors.

What is the minimum startup time to valid data output for the ZSC31014EAG1-T?

The ZSC31014EAG1-T achieves first valid measurement output in 2.8 ms after power-up when running at 4 MHz with EEPROM locked. Startup time increases to 6.0 ms at 1 MHz under the same condition. These values represent power-on to data-ready latency in Update Mode and are confirmed in the datasheet's "Start-Up-Time" specification table. The ZSC31014EAG1-T guarantees this timing across -40°C to +125°C.

Can the ZSC31014EAG1-T be used with half-bridge sensors?

Yes - the ZSC31014EAG1-T supports half-bridge configurations where VBN is internally biased to VDD/2, and only VBP carries the differential signal. The datasheet explicitly lists "Half-Bridge Voltage Measurement" as a supported application, and Table 1.2 confirms CM voltage compliance for VBP in this mode. The ZSC31014EAG1-T's programmable gain and offset nulling allow precise adaptation to half-bridge output levels and common-mode shifts.